Enhancement of Raman scattering signals from gaseous medium near the surface of a holographic aluminum diffraction grating

The possibility of applying surface-enhanced Raman scattering (RS) for amplification of RS intensity in gaseous media is investigated. A more than sixfold enhancement of the RS signal is detected experimentally from the main atmospheric air components during interaction of continuous-wave laser radi...

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Bibliographic Details
Published in:Technical physics letters 2016-11, Vol.42 (11), p.1087-1089
Main Authors: Petrov, D. V., Sedinkin, D. O., Zaripov, A. R.
Format: Article
Language:English
Subjects:
Classical and Continuum Physics
Physics
Physics and Astronomy
Raman spectra
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Summary:The possibility of applying surface-enhanced Raman scattering (RS) for amplification of RS intensity in gaseous media is investigated. A more than sixfold enhancement of the RS signal is detected experimentally from the main atmospheric air components during interaction of continuous-wave laser radiation with a holographic aluminum diffraction grating. The averaged value of the RS signals’ amplification factor in the near-surface 30-nm-thick layer at the boundary between the diffraction grating and gaseous medium amounted to ~3 × 10 3 .
ISSN:1063-7850
1090-6533
DOI:10.1134/S1063785016110055